Across
- 2. Mercury, Venus, Earth and Mars are all this kind of planet
- 3. This planet has no moons, no rings, and isn't the hottest...
- 4. All the planets in our solar system go round this star
- 6. 70% of this planet is covered in water
- 7. Galileo Galilei saw four of these going round Jupiter
- 9. The biggest planet
- 11. This ringed planet would float if you had a bath big enough!
- 14. The hottest planet
Down
- 1. Earth has lots of these but they're mostly under the sea!
- 5. Two _______ are on Mars right now!
- 7. Six spacecraft are in orbit around this planet
- 8. Was there ever ____ on Mars?
- 10. The planet that spins on its side
- 12. Uranus looks bluey-green because the methane in its atmosphere absorbs the ____ light and reflects the rest
- 13. Standing on Venus would feel like being on Earth but ___ mile under the sea!